Stadium: COURT VIKTOR TROICKI Round: 26 Ground: Clay
| ITF M25 Kursumlijska Banja | 2023/06/07 16:30 | David Pichler v Ognjen Milic | 6-1,6-3 |
| ITF M25 Kursumlijska Banja | 2024/05/08 07:00 | Mohamed Aziz Dougaz v Gabriel Donev | 7-6,6-1 |
| ITF M15 Kursumlijska Banja | 2024/04/16 17:05 | Gabriel Donev v Simon A Ivanov | 7-6,6-7,5-7 |
| UTR Pro Dubai | 2024/03/13 05:00 | Benedikt Henning v Gabriel Donev | 6-0,6-0 |
| UTR Pro Dubai | 2024/03/12 05:00 | Igor Sijsling v Gabriel Donev | 6-7,1-6 |
| ITF M15 Kish Island | 2024/03/08 07:00 | Dan Alexandru Tomescu v Gabriel Donev | 6-1,6-2 |
| ITF M15 Kish Island | 2024/03/07 08:00 | Gabriel Donev v Ishaque Eqbal | 6-1,6-0 |
| ITF M15 Kish Island | 2024/03/06 10:10 | Samuil Konov v Gabriel Donev | 6-3,3-6,0-6 |
| ITF M15 Kish Island | 2024/02/29 07:30 | Branko Djuric v Gabriel Donev | 2-6,6-2,7-5 |